Skip to contentSkip to Braille Studio

Library / Mathematics / The Golden Mean or Ratio[(1+sqrt(5))/2] / Braille

The Golden Mean or Ratio[(1+sqrt(5))/2] ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

265,653 braille cells · 292 embossed pages at 40×25 · 21 unrepresentable characters omitted

⠋⠋⠑⠙⠛⠑⠃⠑⠋⠉⠃⠃⠋⠙⠓⠁⠛⠛⠁⠁⠋⠊⠊⠛⠓⠑⠛⠚⠓⠛⠁⠃⠃⠓⠉⠁⠑⠙⠉⠀
⠼⠁⠚⠙⠑⠋⠊⠁⠃⠉⠃⠋⠃⠑⠚⠉⠙⠊⠛⠋⠓⠁⠁⠑⠃⠙⠑⠃⠁⠛⠙⠙⠊⠛⠉⠊⠋⠁⠉⠋
⠛⠙⠓⠓⠃⠃⠚⠙⠋⠙⠓⠚⠑⠁⠊⠋⠓⠓⠛⠑⠙⠉⠙⠁⠊⠋⠊⠑⠁⠁⠊⠉⠉⠁⠃⠚⠙⠑⠚⠀
⠼⠃⠁⠋⠚⠑⠁⠙⠃⠊⠉⠓⠙⠓⠙⠙⠛⠑⠙⠑⠃⠉⠓⠃⠁⠃⠛⠚⠁⠙⠉⠓⠉⠚⠊⠑⠛⠓⠑⠑
⠓⠁⠉⠋⠁⠊⠋⠛⠓⠉⠚⠃⠉⠁⠚⠋⠓⠑⠚⠓⠚⠓⠙⠑⠓⠛⠋⠊⠑⠃⠚⠑⠊⠚⠑⠉⠃⠊⠙⠀
⠼⠋⠓⠉⠉⠓⠙⠊⠚⠙⠛⠁⠃⠚⠊⠊⠁⠋⠃⠑⠑⠋⠉⠋⠑⠚⠉⠙⠚⠚⠉⠙⠉⠊⠋⠛⠚⠓⠃⠓
⠊⠉⠉⠋⠊⠓⠉⠋⠛⠙⠃⠉⠚⠚⠁⠑⠛⠑⠁⠁⠛⠉⠓⠑⠁⠑⠁⠃⠋⠊⠁⠃⠉⠚⠋⠋⠁⠛⠃⠀
⠼⠃⠛⠋⠙⠁⠙⠙⠃⠁⠋⠚⠛⠑⠁⠃⠊⠁⠛⠉⠙⠁⠓⠛⠙⠛⠁⠙⠉⠁⠑⠚⠊⠉⠃⠙⠁⠊⠃⠙
⠊⠁⠙⠁⠋⠚⠊⠋⠊⠊⠊⠓⠋⠛⠃⠓⠁⠑⠓⠃⠉⠓⠑⠊⠃⠑⠛⠉⠑⠊⠓⠃⠉⠓⠊⠙⠓⠙⠊⠀
⠼⠃⠛⠙⠊⠁⠊⠋⠙⠋⠁⠑⠃⠃⠛⠃⠃⠛⠉⠉⠉⠓⠛⠙⠋⠉⠁⠃⠁⠉⠓⠙⠉⠋⠃⠋⠃⠁⠁⠋
⠉⠛⠊⠙⠋⠛⠚⠋⠃⠚⠉⠃⠋⠉⠚⠃⠃⠑⠚⠑⠑⠙⠓⠊⠑⠓⠚⠑⠛⠉⠚⠓⠉⠛⠑⠚⠙⠋⠁⠀
⠼⠃⠊⠊⠃⠉⠁⠁⠉⠋⠃⠊⠊⠁⠛⠉⠚⠋⠊⠙⠓⠊⠙⠚⠛⠉⠙⠃⠑⠓⠓⠉⠁⠊⠙⠓⠉⠊⠊⠊
⠃⠛⠙⠁⠋⠉⠊⠑⠚⠊⠓⠙⠙⠉⠊⠋⠉⠙⠚⠑⠛⠋⠉⠑⠃⠓⠙⠛⠁⠛⠑⠋⠃⠛⠋⠃⠁⠊⠃⠀
⠼⠛⠓⠋⠑⠃⠃⠑⠉⠊⠋⠚⠓⠛⠃⠚⠁⠉⠁⠚⠓⠚⠙⠓⠋⠙⠚⠋⠑⠉⠙⠉⠊⠋⠁⠋⠓⠓⠛⠑
⠙⠑⠃⠑⠉⠙⠃⠋⠉⠚⠊⠓⠊⠋⠊⠑⠁⠛⠋⠁⠊⠚⠁⠊⠛⠛⠚⠊⠋⠉⠁⠊⠃⠃⠑⠓⠛⠚⠊⠀
⠼⠉⠙⠃⠁⠋⠑⠊⠑⠑⠊⠛⠙⠙⠛⠁⠛⠑⠚⠁⠑⠛⠑⠉⠓⠉⠛⠋⠛⠙⠁⠑⠃⠃⠃⠓⠚⠑⠛⠚
⠋⠑⠚⠃⠓⠚⠋⠓⠉⠁⠙⠉⠉⠑⠋⠑⠃⠙⠊⠁⠛⠁⠊⠊⠛⠉⠉⠉⠑⠓⠙⠚⠉⠚⠋⠙⠁⠑⠉⠀
⠼⠑⠑⠚⠛⠑⠊⠁⠁⠑⠊⠛⠙⠃⠋⠙⠉⠋⠋⠙⠓⠃⠓⠙⠋⠋⠃⠓⠁⠉⠋⠓⠚⠃⠁⠛⠙⠑⠚⠑
⠊⠚⠊⠛⠚⠑⠓⠊⠙⠋⠚⠃⠛⠙⠙⠃⠊⠃⠋⠉⠃⠃⠃⠃⠃⠁⠑⠙⠑⠊⠙⠑⠚⠛⠑⠓⠚⠙⠋⠀
⠼⠑⠛⠁⠃⠚⠋⠚⠋⠓⠋⠉⠊⠊⠚⠙⠉⠚⠓⠃⠉⠋⠊⠉⠊⠋⠊⠉⠃⠚⠓⠃⠉⠛⠙⠊⠚⠛⠋⠛
⠑⠋⠁⠁⠊⠚⠁⠛⠁⠑⠋⠁⠉⠚⠑⠙⠃⠙⠓⠁⠉⠉⠁⠁⠛⠁⠑⠃⠙⠃⠑⠋⠓⠙⠛⠓⠙⠋⠉⠀
⠼⠉⠋⠉⠛⠛⠚⠚⠁⠑⠃⠚⠙⠙⠁⠛⠊⠁⠋⠑⠚⠁⠁⠋⠓⠃⠉⠃⠑⠛⠑⠃⠉⠋⠁⠋⠚⠙⠊⠑
⠛⠙⠊⠛⠚⠋⠉⠊⠚⠓⠃⠃⠙⠙⠉⠙⠙⠙⠑⠁⠚⠉⠑⠁⠃⠁⠊⠚⠙⠓⠓⠁⠊⠓⠉⠚⠃⠛⠋⠀
⠼⠚⠚⠁⠛⠋⠋⠓⠚⠊⠓⠑⠚⠊⠋⠑⠃⠙⠑⠙⠉⠊⠚⠚⠛⠁⠊⠊⠚⠊⠓⠚⠉⠙⠊⠊⠉⠚⠃⠋
⠓⠋⠚⠋⠛⠑⠑⠃⠉⠓⠛⠊⠋⠓⠑⠃⠊⠃⠁⠊⠙⠛⠉⠃⠉⠊⠉⠉⠑⠃⠉⠛⠚⠚⠓⠋⠋⠑⠚⠀

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.